=Mining and Quarrying=: Both soapstones for bowls and pipes and native copper for ornaments were obtained aboriginally by New England Indian groups. So far as is known, however, the Wampanoags did none of the extraction of these materials themselves. They obtained either the materials or the finished products through trade.[253] Pigments were probably obtained at various local outcroppings. Limonite furnished yellow; hematite served for some of the reds. The stone used for tools and weapons—quartz and slate—was also locally occurring material.[254] Clay for potting was available in the Plymouth area.[255] PROCESSING OF BASIC MATERIALS There is documentary evidence on the manufacture of only a few of the articles fashioned by the Indians out of the products of their environment. In most cases this evidence is fragmentary. What is available is discussed below: =Stonecarving=: Both pipes and bowls were carved out of soapstone. As far as is known, most of this work was done by the Narragansetts in Rhode Island; their products were traded into the Plymouth area. Bowls of soapstone were produced wholly or in part at the quarry where the raw material was obtained. Working with picks and chisels of harder stone (later, presumably, with metal tools) the craftsman would rough out the general shape of the bowl, bottom side up, while it was still attached to the parent block. Then he would begin chipping away underneath the bowl and by inserting a wedge remove it from the quarry. The inside of the bowl was then hollowed out with smaller stone adzes and chisels.[256] Soapstone pipes required considerable skill to manufacture, owing to their small size. Some of these were elaborately ornamented with carved figures, but authorities are still not sure whether the more elaborate pipes were locally made or traded into the Narragansett territory from elsewhere.[257] Shaping and drilling were originally done with stone tools, but steel drills were later used in pipe manufacture.[258] =Metallurgy=: The Indians learned to cast metal from the English. Pewter, brass, and presumably lead (for shot) were cast into ornaments, buttons, ammunition, and gun parts.[259] Buttons and other small ornaments were cast out of pewter using one-piece moulds carved from soft stone. Finishing was done by trimming and grinding away the rough edges. The eyes of buttons were made by trimming the metal with a knife.[260]